Table 1.

Global model parameters.

parameter	definition	values tested
N	number of labs	100
b	base rate of true hypotheses	0.1
r0	initial replication rate for all labs	{0, 0.01, 0.2, 0.5}
e0	initial effort for all labs	75
w0	initial power for all labs	0.8
η	influence of effort on productivity	0.2
cR+	probability of publishing positive replication	1
cR−	probability of publishing negative replication	1
VN	pay-off for publishing novel result	1
VR+	pay-off for publishing positive replication	0.5
VR−	pay-off for publishing negative replication	0.5
VO+	pay-off for having novel result replicated	0.1
VO−	pay-off for having novel result fail to replicate	−100
d	number of labs sampled for death and birth events	10
μr	probability of r mutation	{0, 0.01}
μe	probability of e mutation	{0, 0.01}
μw	probability of w mutation	{0, 0.01}
σr	standard deviation of r mutation magnitude	0.01
σe	standard deviation of e mutation magnitude	1
σw	standard deviation of w mutation magnitude	0.01